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210200120000000 = 2957132953263
BaseRepresentation
bin101111110010110100000111…
…011110111111111000000000
31000120020221020202221121221122
4233302310013132333320000
5210022404321210000000
62023020334012411412
762163312632630264
oct5762640736777000
91016227222847848
10210200120000000
1160a8140891a319
121b6aa236a76b68
139039a2b560490
1439c9a50b500a4
151947bc2c5c085
hexbf2d077bfe00

210200120000000 has 1280 divisors, whose sum is σ = 598165749941760. Its totient is φ = 73242624000000.

The previous prime is 210200119999997. The next prime is 210200120000107. The reversal of 210200120000000 is 21002012.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 799239999869 + ... + 799240000131.

It is an arithmetic number, because the mean of its divisors is an integer number (467316992142).

Almost surely, 2210200120000000 is an apocalyptic number.

210200120000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210200120000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299082874970880).

210200120000000 is an abundant number, since it is smaller than the sum of its proper divisors (387965629941760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210200120000000 is an frugal number, since it uses more digits than its factorization.

210200120000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210200120000000 its reverse (21002012), we get a palindrome (210200141002012).

The spelling of 210200120000000 in words is "two hundred ten trillion, two hundred billion, one hundred twenty million", and thus it is an aban number.